reactos/dll/win32/mscms/handle.c

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/*
* MSCMS - Color Management System for Wine
*
* Copyright 2004, 2005, 2008 Hans Leidekker
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/debug.h"
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "icm.h"
#include "mscms_priv.h"
#ifdef HAVE_LCMS2
static CRITICAL_SECTION mscms_handle_cs;
static CRITICAL_SECTION_DEBUG mscms_handle_cs_debug =
{
0, 0, &mscms_handle_cs,
{ &mscms_handle_cs_debug.ProcessLocksList,
&mscms_handle_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": mscms_handle_cs") }
};
static CRITICAL_SECTION mscms_handle_cs = { &mscms_handle_cs_debug, -1, 0, 0, 0, 0 };
static struct profile *profiletable;
static struct transform *transformtable;
static unsigned int num_profile_handles;
static unsigned int num_transform_handles;
WINE_DEFAULT_DEBUG_CHANNEL(mscms);
void free_handle_tables( void )
{
HeapFree( GetProcessHeap(), 0, profiletable );
profiletable = NULL;
num_profile_handles = 0;
HeapFree( GetProcessHeap(), 0, transformtable );
transformtable = NULL;
num_transform_handles = 0;
DeleteCriticalSection( &mscms_handle_cs );
}
struct profile *grab_profile( HPROFILE handle )
{
DWORD_PTR index;
EnterCriticalSection( &mscms_handle_cs );
index = (DWORD_PTR)handle - 1;
if (index > num_profile_handles)
{
LeaveCriticalSection( &mscms_handle_cs );
return NULL;
}
return &profiletable[index];
}
void release_profile( struct profile *profile )
{
LeaveCriticalSection( &mscms_handle_cs );
}
struct transform *grab_transform( HTRANSFORM handle )
{
DWORD_PTR index;
EnterCriticalSection( &mscms_handle_cs );
index = (DWORD_PTR)handle - 1;
if (index > num_transform_handles)
{
LeaveCriticalSection( &mscms_handle_cs );
return NULL;
}
return &transformtable[index];
}
void release_transform( struct transform *transform )
{
LeaveCriticalSection( &mscms_handle_cs );
}
static HPROFILE alloc_profile_handle( void )
{
DWORD_PTR index;
struct profile *p;
unsigned int count = 128;
for (index = 0; index < num_profile_handles; index++)
{
if (!profiletable[index].data) return (HPROFILE)(index + 1);
}
if (!profiletable)
{
p = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, count * sizeof(struct profile) );
}
else
{
count = num_profile_handles * 2;
p = HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, profiletable, count * sizeof(struct profile) );
}
if (!p) return NULL;
profiletable = p;
num_profile_handles = count;
return (HPROFILE)(index + 1);
}
HPROFILE create_profile( struct profile *profile )
{
HPROFILE handle;
EnterCriticalSection( &mscms_handle_cs );
if ((handle = alloc_profile_handle()))
{
DWORD_PTR index = (DWORD_PTR)handle - 1;
profiletable[index] = *profile;
}
LeaveCriticalSection( &mscms_handle_cs );
return handle;
}
BOOL close_profile( HPROFILE handle )
{
DWORD_PTR index;
struct profile *profile;
EnterCriticalSection( &mscms_handle_cs );
index = (DWORD_PTR)handle - 1;
if (index > num_profile_handles)
{
LeaveCriticalSection( &mscms_handle_cs );
return FALSE;
}
profile = &profiletable[index];
if (profile->file != INVALID_HANDLE_VALUE)
{
if (profile->access & PROFILE_READWRITE)
{
DWORD written;
if (SetFilePointer( profile->file, 0, NULL, FILE_BEGIN ) ||
!WriteFile( profile->file, profile->data, profile->size, &written, NULL ) ||
written != profile->size)
{
ERR( "Unable to write color profile\n" );
}
}
CloseHandle( profile->file );
}
cmsCloseProfile( profile->cmsprofile );
HeapFree( GetProcessHeap(), 0, profile->data );
memset( profile, 0, sizeof(struct profile) );
LeaveCriticalSection( &mscms_handle_cs );
return TRUE;
}
static HTRANSFORM alloc_transform_handle( void )
{
DWORD_PTR index;
struct transform *p;
unsigned int count = 128;
for (index = 0; index < num_transform_handles; index++)
{
if (!transformtable[index].cmstransform) return (HTRANSFORM)(index + 1);
}
if (!transformtable)
{
p = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, count * sizeof(struct transform) );
}
else
{
count = num_transform_handles * 2;
p = HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, transformtable, count * sizeof(struct transform) );
}
if (!p) return NULL;
transformtable = p;
num_transform_handles = count;
return (HTRANSFORM)(index + 1);
}
HTRANSFORM create_transform( struct transform *transform )
{
HTRANSFORM handle;
EnterCriticalSection( &mscms_handle_cs );
if ((handle = alloc_transform_handle()))
{
DWORD_PTR index = (DWORD_PTR)handle - 1;
transformtable[index] = *transform;
}
LeaveCriticalSection( &mscms_handle_cs );
return handle;
}
BOOL close_transform( HTRANSFORM handle )
{
DWORD_PTR index;
struct transform *transform;
EnterCriticalSection( &mscms_handle_cs );
index = (DWORD_PTR)handle - 1;
if (index > num_transform_handles)
{
LeaveCriticalSection( &mscms_handle_cs );
return FALSE;
}
transform = &transformtable[index];
cmsDeleteTransform( transform->cmstransform );
memset( transform, 0, sizeof(struct transform) );
LeaveCriticalSection( &mscms_handle_cs );
return TRUE;
}
#endif /* HAVE_LCMS2 */